Palantir Technologies stock price closed almost flat on Monday. Palantir opened the trading session at $43.72 and touched 52-week high of $44.39 before closing the session almost flat at $43.40.

Palantir Technologies Inc. (NYSE: PLTR), a leading data analytics and software company, has been exhibiting strong market performance, especially after its inclusion in the S&P 500.

Palantir Technologies touched another 52-week high at $44.38 but was trading 1.6 percent lower ($42.81) at the time of publication of this report.

Palantir Stock price touched 52-week high and crossed $40 after a long time and the stock is quite close to its lifetime high of $45 touched on January 26, 2001.

Palantir Technologies (PLTR) has experienced a significant surge in its stock price, following the announcement that the data-analytics company will join the S&P 500 index on September 23.