The Sigma Healthcare Ltd (ASX: SIG) share price is trading at $2.89 on Thursday, up 1.05%.

The company was the No. 1 stock for price growth among ASX 200 healthcare shares in 2024.

The Sigma share price ripped 162% higher to close at $2.62 on 31 December. By comparison, the S&P/ASX 200 Index (ASX: XJO) rose by 7.49%, and the S&P/ASX 200 Health Care Index (ASX: XHJ) lifted by 6.01%.

Sigma owns a network of chemists, including Amcal, Discount Drug Stores, and Guardian Pharmacy. Its big price surge last year was due to excitement over its proposed mega-merger with the privately owned Chemist Warehouse pharmaceutical chain.

Sigma shares had a market capitalisation of $800 million at the time of the merger…