'Very speculative, very frothy, very greedy': Wall Street says stock market's rise to records poses risks

Stocks are sitting at record highs, but some Wall Street strategists say that very optimism could be a warning sign. In a note to clients on Monday, Citi strategist Chris Montagu said buying activity has been strongest among smaller companies, with the Russell 2000 (^RUT) seeing the largest weekly increase in bullish bets. This left markets more fragile, especially if momentum stalls, he said. "Profit-taking risks have rapidly risen across markets, and are particularly elevated for Nasdaq, potentially ha ...