US Stock of the Day | Kabutaro & Friends

On August 14, 2026, the most talked-about US stock online is Reddit<RDDT>.
Background: On August 13, S&P Dow Jones Indices announced that Reddit will join the S&P 500 before trading opens on August 18, filling the vacancy left by AvalonBay Communities, a REIT being absorbed into the index via its merger with Equity Residential. Following the announcement, shares jumped in after-hours trading from Thursday's close of $153.12, at one point rising 11 to 16% to around $177.80. The company posted Q2 2026 earnings on July 30 with revenue up 61% year-over-year to $805 million, marking an eighth consecutive quarter of growth above 60%. Combined with expected passive-fund buying tied to the index inclusion, the news has driven heavy online discussion, even as the stock remains down roughly 31.9% year-to-date.