NEW YORK (

TheStreet

) -

NetApp

(NTAP) - Get Report

and

Tiffany

(TIF) - Get Report

were among the worst performers in the

S&P 500

on Thursday.

The S&P 500 increased 1.82 points, or 0.14%, to close at 1,320.68 on Thursday.

Shares of NetApp dropped 12.33% to $28.81. After Wednesday's closing bell, the storage and data management technology company reported non-GAAP fourth-quarter earnings of $252 million, or 66 cents a share, up from year-earlier earnings of $237 million, or 59 cents a share.

The company also forecast non-GAAP earnings of 34 to 39 cents a share for its fiscal first quarter, which is below

Wall Street's current consensus estimate

for a profit of 42 cents a share.

Shares of NetApp hit a 52-week low on Thursday of $27.79. The stock's 52-week high of $56.48 was set on May 26.

NetApp's stock currently trades at an estimated price-to-earnings ratio for next year of 11.66X; the average for computer hardware companies is 16.38X. For comparison,

Eighteen of the 33 analysts who cover NetApp rate it at hold; 15 analysts give the stock a buy rating.

The stock has fallen 20.57% year to date.

Tiffany shares lost 6.81% to $57.59 on Thursday after the jewelry company reported first-quarter earnings of $82 million, or 64 cents a share, below Wall Street expectations for a profit of 69 cents a share in the period.

Tiffany also

lowered its 2012 earnings guidance

to a range of $3.70 to $3.80 a share from a prior projection for a profit ranging from $3.95 to $4.05 a share.

Shares of Tiffany hit a 52-week low on Thursday of $55.75. The stock's 52-week high of $84.49 was set on July 7.

Tiffany's stock currently trades at a forward P/E of 12.84X; the average for specialty retailers is 14.92X.

Thirteen of the 24 analysts who cover Tiffany rate it at hold. Ten analysts give the stock a buy rating and one rates it at sell.

The stock has dropped 13.08% year to date.

--

Written by Alexandra Zendrian in New York

.

>To contact the writer of this article, click here:

Alexandra Zendrian

>To submit a news tip, send an email to:

tips@thestreet.com

.

>To follow the writer on Twitter, go to

Alexandra Zendrian

.