Xylem Inc. is trading 4.2% up at $114.85 in after-hours trading. - S&P Global Ratings reinstated its 'BBB' issue-level rating on Xylem Inc.'s $500 million senior unsecured notes due November 2026 on June 17, 2026, following an error correction. - This move follows a 1.6% decline during the regular session on June 17, 2026, and stands in contrast to broader market indices, which closed modestly lower. - The company also recently reported Q1 2026 earnings that beat estimates, reiterated FY2026 guidance, and announced a $1.5 billion share buyback program.