For investors seeking momentum, Invesco S&P 500 High Beta ETF ((SPHB) is probably on the radar. The fund just hit a 52-week high and is up about 61% from its 52-week low price of $64.40/share.But are more gains in store for this ETF? Let’s take a quick look at the fund and the near-term outlook on it to get a better idea of where it might be headed:SPHB in FocusInvesco S&P 500 High Beta ETF tracks the performance of stocks from the S&P 500 Index with the highest beta over the past 12 months. About 43% of th ...