** Oilfield services firm ProPetro Holding's PUMP.N shares slip 1.4% to $16.68
** PUMP late Monday announced pricing of upsized private offering of $600 million convertible bonds due 2031
** Offering boosted from previously announced size of $500 million
** Proceeds to be used for funding additional power generation equipment and other purposes
** PUMP has 122.6 million shares outstanding, per LSEG data
** Six of 11 brokerages rate the stock "buy" or higher and five "hold"; median PT $16.50 - data compiled by LSEG
** As of last close, PUMP stock up 77.2% YTD
(Reporting by Arasu Kannagi Basil in Bengaluru)
((ArasuKannagi.Basil@thomsonreuters.com;))