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Natera Stock Surges Over 29% in September After AI-Strategy Selection

Summary
Shares of biotech firm Natera Inc. (NTRA) gained more than 29% in September, highlighting the performance of an AI-driven healthcare stock strategy from Investing.com that had previously selected the company.
Natera Inc. (NTRA) shares surged more than 29% during September, a rally that followed the biotech firm's inclusion in an artificial intelligence-powered stock selection strategy. The "Healthcare Heroes" strategy, operated by financial markets platform Investing.com, reported the performance figures on September 30.
Strong Performers in Healthcare
According to the platform, Natera was one of several healthcare-related stocks in its AI-selected portfolio that posted significant gains. The report highlighted other strong performers from the strategy's recent selections.
Other notable returns cited by Investing.com include:
- Tenet Healthcare (THC): +35.39% since its selection on April 1, 2026
- Gilead Sciences (GILD): +16.32% since its selection on May 1, 2026
- Mettler-Toledo (MTD): +11.73% month-to-date
- Intuitive Surgical (ISRG): +11.6% month-to-date
Strategy Outperforms Benchmark
AdThe "Healthcare Heroes" strategy has reportedly generated a cumulative return of +48.07% since its inception in August 2025. Investing.com stated that this performance represents a 17.6-percentage-point outperformance compared to the S&P 500 Health Care index over the same period.
The strategy's holdings are rebalanced at the beginning of each month, with the AI models reassessing market data to add new positions and remove those that no longer meet its criteria.
AI Model Methodology
Investing.com states its proprietary AI system analyzes thousands of global equities using a blend of historical data, valuation signals, and forward-looking growth metrics. The models process over 15 years of financial data to identify stocks with potential upside based on momentum, valuation, and fundamental business performance.
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