Key Takeaways STT has outperformed peers with a 9.5% gain, driven by strategic deals and strong fundamentals. Acquisitions, fee income gains and rising NII continue to support State Street's growth outlook. Higher expenses and reliance on fee income remain key risks to STT's ongoing performance.State Street Corporation (STT) shares have gained 9.5% in the past three months, outperforming the industry’s mere 0.6% growth and the S&P 500 Index’s 5.2% rise. Moreover, STT’s price performance has been better th ...