With STX stock price holding at $90.55, technical traders are watching for a cup-and-handle pattern completion. A confirmed breakout could signal a near-term rally toward $95. Palantir (PLTR) has dominated headlines with its 143% surge in 2025, but another S&P 500 ($SPX) stock has quietly claimed the title of top performer. Seagate Technology (STX) has rallied an astounding 196% year-to-date (YTD), outpacing even the AI software giant, which is tied to explosive demand for data storage driven by the buildout of artificial intelligence (AI) infrastructure. © 2025 Fair market value prices are updated every minute and are provided by Polygon.io . Other market data provided is at least 10-minutes delayed and hosted by Barchart Solutions. Information is provided 'as-is' and solely for informational purposes, not for trading purposes or advice, and is delayed. To see all exchange delays and terms of use please see Barchart's disclaimer . The STX stock price closed the week at $90.80, maintaining a bullish bias. Volume spikes during intraday rallies signal growing retail trader interest alongside steady institutional positions.