15 Stocks to Watch Monday, Dec 22: Major Moves Expected from Corporate Actions, News

• Nuvama Wealth, Digital Fibre, Canara Robeco, GRM Overseas, Knowledge Marine have ex-dates, expecting volatility.
• Infosys clarified ADR volatility; IndiGo issued a travel advisory due to fog affecting flights at Ranchi, Jammu, Hindon.
• Vedanta's parent VRL outlook upgraded to 'Positive' by Fitch; Ola Electric faces scrutiny after K. Arvind's suicide note confirmed.
• Tata Steel received a ₹1,132.18 crore tax notice; UltraTech Cement got a ₹782.2 crore GST demand notice, both plan to challenge.
• Shree Cement to invest ₹2,000 crore in Maharashtra; Fortis Healthcare to acquire People Tree Hospital for ₹430 crore; KEC International gets relief from PGCIL ban.

Why It Matters: Investors should watch 15 stocks on Dec 22 for potential volatility from corporate actions and news.