NEW YORK (TheStreet) -- With summer travel months fast approaching, discussions about transportation are timely -- even when the news isn't good.
Many big brands in this sector and related industries have been languishing.CNBC "Fast Money" panel said that this has resulted largely from the struggles of major airlines. Critics have raised concerns about these companies' operational efficiency and the effect of fluctuating oil prices.
"The latest weakness in transportation is in airlines," said Guy Adami, managing director of stockmonster.com.
Steve Grasso, director of institutional sales at Stuart Frankel, said that "he would be a seller," of transportation stocks and funds. But Tim Seymour, managing partner of Triogem Asset Management, said that he expected "airline disciple" to return.
Adami and Grasso said they would buy Forest Hills, N.Y.-based JetBlue ( JBLU). "I think JetBlue is something worth owning," Adami said.
However, Seymour said FedEx ( FDX) was "something he would be investing in today."
CNBC technical analyst Jonathan Krinsky of MKM Partners said that over the first half of the year, the Dow Jones Industrial Average has been trading at the most narrow range in its 119-year history. Its high to low average has been 6%. Krinsky called this trend "a one step forward, two step back sort of issue."
Grasso said this was likely to change as investors grow concerned about missing growth opportunities or losing value. "I think you'll either break upward or down," he said. Seymour predicted that "the risk will break to the upside."
Josh Brown, CEO and co-founder of Ritholtz Wealth Management, added that "no one wants to go into the second half of the year behind. I think the market will be explosive," Brown said.
Activist investor Chris Sacca criticized Twitter (TWTR), expressing concerns about the direction of the company and its ability to capitalize on advertising. "I haven't been as candid as I could be in public discussions about Twitter," Sacca wrote in a blog post Thursday.
Twitter and other social media sites have wrestled with the best ways to generate ad spending. "People make the same complaints about Facebook (FB)," Adami said. "I think Twitter is fine."
Seymour said that he "didn't care about slowing," stating, "There is an upside to Twitter."
Brown added Twitter had become a more important conduit for news than Google (GOOG). Earlier this week, the companies announced a deal in which Tweets would appear during Google searches. When I search news, I search Twitter," he said.