New Delhi, Sept. 11 -- Oracle Corp.'s stock rally this week has not only lifted the software giant's market value but also added significantly to the personal wealth of its chief executive officer, Safra Catz.

According to CNBC, Catz's net worth surged by about $412 million during the first six hours of trading on Wednesday after the company's strong earnings report sent its shares up nearly 40%. Forbes estimates her net worth at $3.4 billion as of Wednesday afternoon, compared with $3 billion earlier in the day.

The jump followed Oracle's disclosure of $455 billion in remaining performance obligations, contracted revenue that has yet to be recognised. The figures underline the company's accelerating growth in cloud services and its exp...