Why did 4506.T stock fall so sharply after hours?

4506.T stock dropped **22.05%** after hours amid broad Japan market weakness, heavy volume **16,366,000.00**, and profit-taking. The move reflected short-term technical liquidation rather than a single public update.

What are realistic price targets for 4506.T stock?

Near-term resistance is around the 50-day average **JPY 2,449.48**. Meyka AI projects **monthly JPY 2,553.62** (implied upside **35.29%**). Tactical targets: **JPY 2,450.00** (near-term) and **JPY 3,200.00** (bull case).

How does Sumitomo Pharma’s valuation compare to peers?

4506.T stock trades at **PE 5.03**, well below the Healthcare sector average **PE 24.32**, indicating relative value but requiring scrutiny of earnings sustainability and pipeline risk.

What technical levels should traders watch on 4506.T stock?

Key levels are support **JPY 1,851.00**, 200-day average **JPY 1,749.82**, and resistance **JPY 2,449.48**. Watch RSI **37.82** and MACD momentum for oversold bounces.

JP Stocks

4506.T Sumitomo Pharma (JPX) down 22.05% after hours 04 Mar 2026: support

ByDanny Kontos March 4, 2026

The 4506.T stock plunged 22.05% in after-hours trading on 04 Mar 2026, falling to JPY 1,887.50 on the JPX after a heavy sell-off that pushed volume to 16,366,000.00 shares. The drop followed a sharp intraday reversal from a previous close of JPY 2,421.50 and erased the 50-day momentum. Market participants cited sector weakness and profit-taking after recent gains, leaving immediate technical support near JPY 1,851.00 and a crowded order book at the 200-day average of JPY 1,749.82.