US equity markets weaker after a choppy session, with stocks whipsawing on various news reports related to Ukraine - Dow fell -172-points or -0.49%, with pharmacy group Walgreens Boots Alliance Inc (down -2.75%), International Business Machines (IBM) Corp -1.91% and energy major Chevron Corp (-1.54%) among the notable drags on the index. The broader S&P500 lost -0.38%, with Energy (down -2.24%) leading nine of the eleven primary sectors lower after topping the primary sector leaderboard last Friday (11 February). Financials (down -1.11%), Health Care (-1.09%) and Real Estate (-1.02%) all fell over >1%. Consumer Discretionary (up +0.58%) and Communication Services (+0.32%) were the only primary sectors to advance. The S&P500 logged its third straight session decline and racked up its biggest three-day drop (-4.09%) since 28 October 2020. The technology-centric Nasdaq was flat, unwinding an earlier ~1% rally and extending its decline over the past three days to -4.8%. The small capitalisation Russell 2000 lost -0.41%. In merger and acquisition (M&A) news, Splunk Inc rose +9.13% after The Wall Street Journal (WSJ) reported that Cisco Systems (down -1.34%) made a takeover offer worth more than >US$20B for the software maker. The offer was made recently and the companies aren’t currently in active talks, the WSJ reported, citing people familiar with the matter. Separately, Lockheed Martin Corp fell -2.33% as it ended its bid to buy Aerojet Rocketdyne Holdings Inc (-5.60%) after the Federal Trade Commission last month sued to block the proposed US$4.4B deal.