Nomura remains positive on CG Power despite margin concerns in its railway business, while Citigroup is bearish on PNB due to profitability and asset quality issues. Citi is optimistic about HPCL, revising EBITDA estimates upwards. Motilal Oswal upgraded Aurobindo Pharma, citing diversification and growth potential. Elara Securities suggests accumulating Larsen & Toubro, highlighting international projects and new ventures.