By Akash Sriram Dec 17 (Reuters) - Online education platform Coursera said on Wednesday it would buy rival Udemy in an all-stock deal, valuing ​the combined company at $2.5 billion, as the industry consolidates after a post-pandemic ‌slowdown and heightened investor scrutiny. Udemy shareholders would receive 0.8 shares of Coursera for each held, valuing ‌the company at about$930 million, according to Reuters calculation. Coursera shares were up about 4%, while Udemy jumped nearly 22%. Coursera and Ude ...