Tesla Inc TSLA.O shares climbed 5.7% after General Motors GM.Nagreed to use the company's Supercharger network. By Sruthi Shankar and Shristi Achar A June 9 (Reuters) - The S&P 500 and Nasdaq hit fresh 2023 highs on Friday as Tesla shares jumped following a tie-up with General Motors, while investors awaited inflation data and U.S. monetary policy decision due next week. A rally in megacap stocks, a better-than-expected earnings season and expectations that the Fed was nearing the end of its rate-hiking cycle have supported Wall Street this year despite concerns about a looming recession and sticky inflation.