RADNOR, Pa.--(BUSINESS WIRE)--Lincoln Financial (NYSE: LNC) announced today the latest enhancements to its fixed indexed annuities (FIAs) to help meet investor needs for more upside growth opportunity and diversification. Lincoln has added a 1 Year Cap Lock account that tracks the performance of the S&P 500® and a 1 Year Participation account that tracks the performance of the Nasdaq Priva™ Index, available exclusively with a Lincoln OptiBlend® fixed indexed annuity. “In today’s market envi