Don't let Tuesday's rally in stocks fool you. It's way too risky out there, according to one analyst. 'I'd be in cash,' said Ian Winer, head of equity trading at Wedbush Securities, based in Los Angeles, adding that he doesn't see any real values across the markets. After a 600 plus point loss in the Dow Jones Industrial Average on Friday and a 260 point drop on Monday, the blue-chip index was shaping up to open higher on Tuesday. TheStreet's Scott Gamm reports from Wall Street.