Michael M. Santiago/Getty Images The stock market is in a record-setting stretch over the last several months. Small-cap stocks have joined the rally, but some experts remain unconvinced that the gains will continue. Morgan Stanley's Lisa Shalett sees an opportunity for investors to profit before the tides turn. The summer rally to all-time highs has lifted everything from mega-caps to cheap stocks to meme shares, but the investment chief of Morgan Stanley's wealth unit says it might be time to tak ...