Tesla TSLA.O lost 3.2% and Advanced Micro Devices AMD.O dropped 4.9%, while the S&P 500 growth index .IGX dipped 0.6%. By Devik Jain and Noel Randewich March 3 (Reuters) - Wall Street's main indexes struggled for direction on Thursday, with growth stocks including Tesla and Advanced Micro Devices losing ground as the Ukraine crisis kept investors on edge. Soaring prices of oil and other commodities have stoked fears that recent high inflation could combine with stagnant economic growth, making it more difficult for the Federal Reserve and other major central banks to manage interest rates.