Texas Instruments Inc. /zigman2/quotes/202237907/composite TXN -0.37% shares rallied in the extended session Tuesday after the chip maker topped Wall Street estimates for the quarter. Texas Instruments shares surged 6.5% after hours, following a 1.6% rise to close the regular session at $120.07. The company reported second-quarter net income of $1.31 billion, or $1.36 a share, compared with $1.41 billion, or $1.40 a share, in the year-ago period. Texas Instruments said results included a 7-cents-a-share benefit that had not been included in the original guidance. Revenue declined to $3.67 billion from $4.02 billion in the year-ago quarter. Analysts surveyed by FactSet had forecast earnings of $1.22 a share on revenue of $3.6 billion. Texas Instruments expects third-quarter earnings of $1.31 to $1.53 a share on revenue of $3.65 billion to $3.95 billion, while analysts had forecast $1.38 a share on revenue of $3.84 billion.