By Devik Jain and Noel Randewich (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. Tesla lost 3.2% and Advanced Micro Devices dropped 4.9%, while the S&P 500 growth index dipped 0.6%. Reflecting a defensive mood on Wall Street, the S&P 500 utilities index rallied 1.9% and real estate added 1.1%. With Russia’s invasion of Ukraine now a week in, hundreds of Russian soldiers and Ukrainian civilians have been killed, and Russia itself has been plunged …