Tech Earnings Boost US Stocks Amid Historic Swings

An age-old market maxim looms over the seven-day bounce in u.S. Stocks: sell in may and go away. One of the best-known market trends, the "Sell in may" effect, is backed by decades of historical performance. That trend is set to play out after wild swings in april, even as wall street futures point to a green open on may 1.