NEW YORK (

TheStreet

) -- Slumping stocks, stunted turnaround strategies and soured shareholder sentiments have helped shine a severe light on several tech CEOs recently.

The salty

Yahoo!

(YHOO)

chief Carol Bartz has long lost her gruff charm and she may not be able to hang on to her job much longer, if new media reports stating that the company is searching for her replacement are true.

Carol Bartz

It's been a

tough run for Bartz,

who was brought in more than two years ago to bring order and direction to the disarray Yahoo! had fallen into.

But Bartz isn't alone. Other tech titans have been called out for failing to meet market challenges or, in some cases, driving the business into the ditch.

Here are

five tech CEOs in the hot seat

who may not get through the year in their current roles. The ranking is in order of stock declines.

No. 5: Yahoo! CEO Carol Bartz

Key misstep

: Ineffectual execution.

Stock performance

: Yahoo! shares are down 7% this year.

In 2009, a sharp-tongued, straight-talking Carol Bartz was considered just the right type of leader that could make the necessary cuts and pull Yahoo! by the shorthairs toward recovery. However, all that acerbic charm and

"re-architecting and globalizing"

hasn't really transformed the Net shop.

Although Bartz finally sealed the search outsourcing job to Microsoft's

Bing

, very few additional accomplishments can be added to the scorecard. A mobile search partnership with

Nokia

(NOK) - Get Report

is a dubious achievement. Getting

steamrolled

by

Alibaba

in China doesn't exactly fit the tough-as-tacks image.

And while the

bid for Hulu

could improve things, a new

report by TechCrunch

saying that Yahoo! is seeking a new chief suggests Bartz may not be around to take much credit for the deal.

No. 4: Microsoft CEO Steve Ballmer

Key misstep

: Failing in mobile as

Apple

(AAPL) - Get Report

and

Google

(GOOG) - Get Report

ran away with the show.

Stock performance

: Microsoft is down 12% so far this year.

As recently chronicled,

Microsoft's

(MSFT) - Get Report

Ballmer has had a few major blunders during his 11 years as CEO. But the impatience started to get loud in March, when big investor

Greenlight Capital's David Einhorn

publicly

urged Microsoft to replace its CEO.

Under Ballmer, Microsoft launched the successful Xbox video game unit and delivered a very competent Windows 7 operating system. But Ballmer may be better known for the Windows Vista fiasco and letting the smartphone revolution slip through his hands.

No. 3: HP CEO Leo Apotheker

Key misstep

: Failed to win Wall Street's confidence.

Stock performance

: HP is down 15% this year.

HP

(HPQ) - Get Report

hired Leo Apotheker in September as a

take-charge leader

to fill the shoes of

Mark Hurd, who was booted

as part of an ethics scandal. But in the nine months since his appointment, Apotheker has made very little, if any imprint on HP.

In March, six months after the stand-up guy was hired, Apotheker finally stood up and delivered

his strategic road map for HP

. But the presentation

lacked some promising turns

and unimpressed investors resumed their HP selling.

No. 2: Cisco CEO John Chambers

Key misstep

: Plunged into consumer goods, neglected the core business.

Stock performance

: Cisco is down 23.5% this year.

Cisco's

(CSCO) - Get Report

notched some huge accomplishments during John Chambers' 16-year tenure as CEO, not the least of which was the phenomenal sales growth from $2 billion when he started in 1995 to the $40 billion the networking giant pulled in last year.

Occasionally, the hunt for that growth took Cisco down some ridiculous paths --

Flip

video cameras,

Linksys

home WiFi routers. Chambers acknowledged the problem(s) and has vowed to cut the distractions.

But it was his leadership that steered Cisco wrong. Investors may not be confident that Chambers is the right person to get Cisco back on course.

No. 1: RIM co-CEOs Jim Balsillie and Mike Lazaridis

Key misstep

: Staying the course too long.

Stock performance

: RIM has dropped by half this year so far.

The power duo at

Research In Motion

(RIMM)

proves that sometimes it takes two people to thoroughly mess up a good thing. The

first-quarter earnings call last week

helped illustrate how well the executives divided their duties and just how far

out of orbit

their collective thought capsule had drifted.

Mike Lazaridis

RIM's BlackBerry was instrumental in the birth of the smartphone era. It not only captivated a lucrative business user crowd, but teens and lacrosse moms couldn't put them down.

But when smarter touchscreen phones from Apple and Google came along, RIM misjudged the threat.

Balsillie defended the BlackBerry's

simplicity about two years ago, calling it "just a small task handler."

RIM's new BlackBerry is late and the presumably transformative QNX devices won't be available until next year -- something Balsillie and Lazaridis may not be on hand to see.

>>To see these stocks in action, visit the

5 Tech Titans Teetering at the Brink

portfolio on Stockpickr.

--Written by Scott Moritz in New York.To contact this writer, click here: Scott Moritz, or email: scott.moritz@thestreet.com.Follow Scott on Twitter at MoritzDispatch