interleaving the r/w is assessable, but all processes see the same interleaving of operations.  - this only matters if everyone sees the same order of operations
when processes are running concurrently, interleaving of read and write operations is acceptable, but all processes see the same interleaving of operations
But stocks have rallied sharply over the past 3-1 / 2 months amid hopes for an economic rebound later this year .