$\backslash$table$[[,$PRICE,,SHARES$],[$Company$,$A$,$B$,$C$,,$A$,$B$,$C$],[$Day $1,12,23,52,,500,350,250],[$Day $2,10,22,55,,500,350,250],[$Day $3,14,46,52,,500,{175}^a,250],[$Day $4,13,47,25,,500,175,{500}^b$

Please explain the table of $($price after split $)!!$