Shares of many casino companies traded lower with the broader market on Friday, and Melco Crown Entertainment ( MPEL) announced 1.2 million visitors attended its City of Dreams resort in Macau in June. Melco said that rolling chip performance, a measure of VIP play, improved sequentially weekly to about $1.94 billion in June. City of Dreams' mass market table games' hold percentage -- the amount won by the casino as a percentage of the total wagered -- was within its targeted range of 16% to 18% in June. The rolling chip hold percentage, however, was less than 1%; the target was 2.85%. Elsewhere, among casino companies, Las Vegas Sands ( LVS) was down 3.8% to $7.41. MGM Mirage ( MGM) was down 4% to $6. Wynn Entertainment ( WYNN) was down 5% to $33.58. Boyd Gaming ( BYD) was down 4% to $8.27. Penn National Gaming ( PENN) was down 3.1% to $28.36. Ameristar Casinos ( ASCA) was lower by 2.8% to $18.91. Isle of Capri Casinos ( ISLE) was down 7% to $12.82. Pinnacle Entertainment ( PNK) was down 3.1% to $9.16.