Lightning Round: Sprint, Zynga and more

Rackspace (RAX): "Mad Money" host Jim Cramer hit the "bear" button on this, suggesting he doesn't like this technology stock right now.

Boston Private (BPFH): Before making a call on this stock, Cramer would like to do some research. He plans to address it on a future show.

Sprint (S): Cramer said he's excited about this mobile carrier's growth plans, so he hit the "buy, buy, buy" button.

Revolution Lighting (RVLT): Go with rival Cree instead, Cramer said.

Opko Health (OPK): Wait for a pullback before considering buying shares, Cramer said.

Zynga (ZNGA): Cramer is bullish on this stock right now.

Sirius XM Radio (SIRI): This stock will likely go higher thanks to a turn around in the auto sector, Cramer said.

Jinkosolar (JKS): "No, no, no," Cramer said of this Chinese solar company.

Synovus Financial (SNV): Cramer likes this stock right now.

SanDisk (SNDK): This company is engaged in flash, which is the place to be right now, Cramer said.

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