ACOR: Simply follow BARCHART (free, see link below); & FIDELITY has an excellent (free) daily list of the top running stocks, which they call "MARKET MOVERS". However, in order to SEE Fidelity's important list, you have to OPEN an account with them --- but NO DEPOSIT MONEY is required (ever), https://www.barchart.com/investing-ideas/penny-stocks?orderBy=percentChange5d&orderDir=desc //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////