Wall Street is poised to wrap up the month of July with strong gains buoyed by better-than-expected earnings, receding inflation pressure, rounds of upbeat economic data and hopes that the Fed's monetary policy tightening is coming to an end. Oil prices are on track to post their biggest monthly gains in over a year on expectations that Saudi Arabia would extend voluntary output cuts into September and tighten global supply. It follows the Solactive Roundhill Meme Stock Index, which consists of equal-weighted U.S.-listed equity securities that exhibit a combination of elevated social media activity and high short interest.