Market Movers collects the best trading ideas from investors and analysts throughout the day. Experts discussed Snap, as the social media platform plunged 28% on Friday, a day after the company announced third-quarter results that missed revenue estimates. Experts also spoke of American Express, whose shares fell nearly 1.7 percent, even after the credit card company reported third-quarter revenue and earnings that beat analysts’ expectations. Other stocks mentioned include Microsoft and Datadog. Microsoft is currently in the list of Jim Cramer’s Charitable Foundation.