Weak trading in Asia overnight and mounting concerns about a Greek default look set to nudge the top tier index into negative territory at Tuesday's opening bell.City sources predict the FTSE 100 will open around 8-9 points lower than Monday's close of 6,953.58.Making headlines early on is HSBC, which is reportedly planning to cut thousands of jobs across its global workforce as it tries to reassure shareholders that its focus on costs remains undiminished after a series of reputation-related crises.According to Sky News, HSBC's chief executive Stuart Gulliver will set out a revised target for headcount at the investor day next week that will be implemented by the end of 2017.The exact number of job cuts that will be outlined on 9 June was not known, but sources cited by the broadcaster said it was likely to be between 10,000 and 20,000.Heading up Tuesday's agenda is inflation data for the Eurozone, with the preliminary estimate on the consumer price index (CPI) expected to show a move away from 'no-flation' to inflation in May.Analysts predict a 0.2% year-on-year rise in the cost of living last month, compared to April's 0%.Canadian lawsuit rules against cigarette makersA class-action lawsuit in Canada has ruled that a group of cigarette makers, including British American Tobacco, should pay C$15.6bn (£8.2bn) in "moral and punitive damages". With BATS's Canadian subsidiary, Imperial Tobacco Canada, liable for C$10.4bn (£5.47bn) of the total, including a provisional C$1.13bn, the company said there were "strong legal grounds" to challenge the overall judgement and to seek a stay of the provisional order.Heating and plumbing products distributor Wolseley saw revenues increase by 16.6% in the third quarter of its fiscal year to reach £3,301m, although once exchange rate variations are stripped out sales were up by a slightly more tempered 12.4%. Like-for-like sales rose by 7.5% (Numis: circa 8%). Trading profits increased 20.3% to hit £195m, with £11m coming from favourable currency tailwinds. Group like-for-like revenues were seen slowing to about 6% over the next six months.London-listed asset manager Henderson Group said on Tuesday that it has acquired Perennial Fixed Interest Partners Pty and Perennial Growth Management Pty from IOOF Holdings, which have combined assets under management of £5.5bn.