US stocks opened higher on Friday on megacaps' boost after robust quarterly results from Alphabet pushed its market value over $2 trillion while an in-line reading for a key inflation print calmed jitters around elevated interest rates. The Dow Jones Industrial Average rose 28.9 points, or 0.08%, at the open to 38,114.7. The S&P 500 rose 36.2 points, or 0.72%, at the open to 5,084.65.