New Delhi, May 5 -- The end of a 15-year political regime in West Bengal has rekindled investor interest in companies headquartered in the state, triggering a sharp rally in select stocks on expectations of a policy reset.

On 4 May, the Bharatiya Janata Party (BJP) registered a watershed win in the 294-member assembly, unseating the Mamata Banerjee-led Trinamool Congress (TMC) and ending its 15-year rule.

On the back of expectations of improved industrial policy clarity and faster clearances, shares of RP Sanjiv Goenka Group companies, Bandhan Bank, Emami Limited and others saw a sharp move in prices.

However, analysts caution that the rally reflects anticipatory positioning rather than earnings visibility.

"The market is largely anti...