A new all-time high means a stock is trading above every price it has ever reached in our price history (since listing for younger stocks). There is no overhead supply: no past buyer is sitting on a loss waiting to sell, which is why momentum investors favor stocks at record highs. This list shows stocks on the London Stock Exchange whose high today set a new all-time high, biggest gainers first. LSE prices are quoted in pence, and the list skips thinly traded shares.