Futures: Market Flashes Bearish Signals; Walmart, SpaceX Tumble

Dow Jones futures were little changed after hours, along with S&P 500 futures and Nasdaq futures. The stock market rally resumed a recent slide as crude oil prices kept rising and bond yields recouped Wednesday’s declines on an unusual Treasury move. The key indexes undercut key short-term levels while the Nasdaq also triggered a highly bearish signal. Walmart (WMT) dived…