Everyone knows that Big Tech has been the big leader in the market’s advance this year. A look at the market indexes will bear this out: the Dow has risen by 6% year-to-date, the S&P 500 by 18%, while the tech-heavy NASDAQ boasts an impressive 36% gain. What this means for investors, however, has been a subject of lively debate. Chiming in from Bank of America, head of US equity strategy Savita Subramanian is urging investors not to worry so much about that narrow focus. In her view, big tech st