Disturbing markets, etc., by false news

Every person who with intent to cause any public alarm or disturbance, or with intent to disturb or maintain the price of goods, funds, stocks or other things, in any public market or exchange, publishes or attempts to cause the publication of any news or telegram which he knows or believes to be false, is guilty of a misdemeanour punishable either on indictment or summarily, provided that the punishment on summary conviction shall not exceed imprisonment for six months.