U.S. stock indexes rose on Friday, as Johnson & Johnson and big technology and communication stocks led gains at the end of a week scarred by deepening concerns over prolonged inflation. Johnson & Johnson rose 1.4 percent after saying it planned to break up into two companies focused on its consumer health business and the large pharmaceuticals unit. Shares of mega-cap growth stocks including Google-owner Alphabet Inc., Microsoft Corp., Meta Platforms Inc., formerly known as Facebook, Apple Inc., and Amazon.com gained between 1.3 percent and 4.2 percent. The Philadelphia SE Semiconductor index rose for a second straight day to add 1.2 percent, while the economically-sensitive Dow Jones Transport Average index firmed 1.0 percent. But Tesla Inc. slid 3.5 percent after top boss Elon Musk sold another block of company shares worth about $700 million after offloading about $5 billion worth of stock following a Twitter poll. Wall Street’s main indexes …