Nvidia (NasdaqGS: NVDA) has rallied this week, lifting semiconductor sector-related exchange traded funds, after several analysts highlighted the technology giant's opportunities in the metaverse and gaming. On Friday, the iShares PHLX Semiconductor ETF (NasdaqGS: SOXX) gained 1.6% and the VanEck Vectors Semiconductor ETF (SMH) rose 1.6%.