News at Seven-Thirty highlights:HSBC share prices plunged; sharp slide in HSBC shares dragged down Hang Seng Index; “No Plastic Bag Day” campaign was extended to every day; CPPCC opened its annual meeting in Beijing; annual National People’s Congress will convene in Beijing on Thursday; Gordon Brown is on a visit to U.S.; a motorcyclist in Britain has been sentenced to jail for driving over-speed; 6 students from a Sha Tin secondary school were arrested for drug trafficking; Cuban President has cast aside some top politicians in the government reshuffle; Juliette Binoche will perform for the Arts Festival.