After Hours 28 Jan 2026: 4506.T Sumitomo Pharma JPX JPY 2349.50: 34.42% upside

The 4506.T stock opened after hours at JPY 2349.50, up JPY 18.50 or 0.79%, as investors position ahead of Sumitomo Pharma’s earnings due 30 Jan 2026. The company posts a low price-to-earnings ratio of 6.03 and EPS of 389.46, while market cap sits near JPY 933,432,027,976.00. Volume in the session reached 9,964,300.00 shares, close to the average. This earnings spotlight explains what to watch in guidance, trial updates, and how the Healthcare sector backdrop may shape the next move for 4506.T stock.