"By the time he comes back, the FBI case is closed and, again, no additional information comes back from the Russians to keep an eye on him or that he's on his way back to your country, " Fuentes said.
The cinema systems also don't flicker -- a big complaint about the active lenses, which shutter open and closed very rapidly to try to send a different image to each eye.
Other stocks in this group that traders might want to keep an eye on include Southern Copper Corp (NASDAQ: SCCO), which closed lower for three out of the past four sessions on Thursday.