The phrase "big move" refers to a significant decision or action that someone takes which can have a major impact on their life or a situation. Full definition
It also shows me which stocks have made big moves in my investment accounts and how far my mortgage balances have declined (to keep me motivated to pay off the loans early). (fool.com)
There are not a lot of traders working, and the contract can make big moves in a flash. (allstocks.com)
This could lead to big moves for bitcoin price before traders adjust their positions for the last stretch of the year. (dailybitcoinnews.com)