Goldman Sachs’ investing playbook through year-end: 3 leaders share their advice, including how to cash in on a potential double-digit rally in stocks

• Goldman Sachs’ mid-year economic outlook is relatively positive. 
• The firm downgraded the probability of a recession to 20% from 25% to 35% earlier. 
• Stay invested, favor US stocks, and tilt to higher-quality credit, top experts said. 

Drivers in traffic jams often try to change lanes to ones seemingly moving faster. But according to a 1999 study by the statistics professor Robert Tibshirani, it’s an illusion. Lane changing doesn’t speed things up, and it can increase the risk of collisions.