best performer june ?, page-10

I'm glad Fat Bloater called it going off a cliff; seemed to spur the SP onto new highs! But I am a bit suspicious of the buy and sell orders today.
Buyers
Level Orders #Quantity Price

1 1 3,708 $3.06
2 1 1,720 $3.05
3 1 6,311 $3.03
4 1 6 $3.02
5 1 1,604 $3.01
6 1 1,604 $3.00
7 1 1,604 $2.99
8 1 1,604 $2.98
9 1 1,604 $2.97
10 2 11,604 $2.96
61 buyers for 185,765 shares
Sellers
Price Quantity Orders #Level
$3.07 1,720 1 1
$3.09 1,604 1 2
$3.10 1,604 1 3
$3.11 1,604 1 4
$3.12 1,604 1 5
$3.13 1,604 1 6
$3.14 3,104 2 7
$3.15 10,130 5 8
$3.16 1,604 2 9
$3.17 1,604 1 10
24 sellers for 101,911 shares

A heap of buy orders all for 1604 shares separated by 1c and a heap of sell orders all for 1604 shares separated by 1c. Must all be placed by the same trader but for what benefit??