Volatility in the markets has heightened in recent weeks. However, long-term investors should embrace it since it creates bargains. Whether the low on August 5 was the bottom remains to be seen. Still, with most individual stocks down over 10%, it’s time to screen for the best blue-chip stocks whose risk-reward setup has improved.There are several reasons to remain optimistic about stocks despite the recent selloff. Evidence points to earnings holding up, especially for blue-chip stocks. As of August 2, Fac ...