Here are the top ASX large cap movers for Monday

The ASX 200 started Christmas week in the red today, down by 0.27%, as investors turned increasingly cautious around the societal ramifications of Omicron.

PM Scott Morrison has just called for a snap cabinet meeting to deal with the latest surge in cases across the country, with Victoria and NSW now recording daily cases in the thousands.

Overseas, the tone was similar as volatile trading engulfed Wall Street on Friday that saw all three major stockmarket indexes falling.

The Energy sector had a woeful day as Omicron fears drove down oil prices 2%, triggering a broad based sell off in energy stocks.

Santos (ASX:STO) and Beach Energy (ASX:BPT) both fell by 4.5%.

Conversely, ASX 200 healthcare stocks — an investor favourite when volatility spikes due to the defensive nature of their earnings — outperformed the broader market with a gain of 0.83%.

BIG CAP WINNERS

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Code	Name	Price	% Change	Volume	Market Cap
MCY	Mercury NZ Limited	5.89	4.2%	18,340	$7,697,000,271
BSL	BlueScope Steel Ltd	21.91	4.1%	1,692,491	$10,405,551,017
VEA	Viva Energy Group	2.23	3.7%	3,432,418	$3,344,005,936
CUV	Clinuvel Pharmaceut.	27.79	3.4%	73,833	$1,327,655,782
HLS	Healius	5.29	3.3%	2,935,984	$3,190,566,717
GNE	Genesis Energy Ltd	2.75	3.0%	35,866	$2,786,328,298
SHL	Sonic Healthcare	44.42	2.9%	1,138,611	$20,700,002,876
FPH	Fisher & Paykel H.	30.35	2.6%	240,167	$17,068,864,587
FMG	Fortescue Metals Grp	19.46	2.5%	8,836,101	$58,438,754,144
CIA	Champion Iron Ltd	5.08	2.4%	1,336,345	$2,512,199,705
ELD	Elders Limited	11.99	2.4%	1,184,658	$1,832,340,682
EML	EML Payments Ltd	3.11	2.3%	1,634,782	$1,135,218,761
XRO	Xero Ltd	136.94	2.0%	328,620	$19,979,256,634
GNC	GrainCorp Limited	7.81	2.0%	739,884	$1,753,034,110

Viva Energy (ASX:VEA) has substantially increased its earnings guidance for FY21.

Viva has now forecast that group EBITDA for the full year of FY21 will come in at between $470m-$490m, a 96% increase from its earnings in FY20

Bluescope Steel (ASX:BSL) gained after advising that the acquisition of the ferrous scrap steel recycling business of MetalX LLC has been completed on Friday, 17 December US time.

BIG CAP LOSERS

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Code	Name	Price	% Change	Volume	Market Cap
MFG	Magellan Fin Grp Ltd	19.7	-32.9%	8,498,924	$5,452,533,797
CIM	Cimic Group Ltd	15.88	-13.4%	2,441,248	$5,706,060,922
TUA	Tuas Limited	1.95	-13.3%	786,949	$1,043,795,297
NAN	Nanosonics Limited	5.9	-9.4%	878,156	$1,964,580,008
VUL	Vulcan Energy	11.22	-7.9%	1,963,039	$1,514,655,069
UWL	Uniti Group Ltd	4.28	-7.8%	3,245,168	$3,192,146,691
IMU	Imugene Limited	0.42	-7.7%	32,634,616	$2,619,773,972
HMCDA	Homeco Limited	7.49	-6.5%	117,361	$2,325,033,504
SBM	St Barbara Limited	1.375	-6.5%	10,443,511	$1,043,004,762
TLX	Telix Pharmaceutical	7.4	-6.2%	1,261,163	$2,249,225,244
SOL	Soul Pattinson (W.H)	29.58	-6.1%	785,694	$11,367,281,898
PSI	Psc Insurance Ltd	4.7	-6.0%	63,326	$1,623,203,625
LKE	Lake Resources	0.875	-5.9%	9,606,153	$1,135,612,735
SWM	Seven West Media Ltd	0.615	-5.4%	1,554,796	$1,033,576,855
CTT	Cettire	3.52	-5.4%	235,794	$1,418,206,178
ASM	Ausstratmaterials	10.26	-5.3%	318,729	$1,510,850,045
GQG	GQG Partners	1.635	-5.2%	765,536	$5,093,589,374

Magellan Financial (ASX:MFG) plunged another 32%, driving the stock price to a multi year low, as UK-based St James Place terminated its multi billion dollar mandate with MFG.

St James is Magellan’s largest corporate client, and the contract termination is expected to cost MFG around $18bn in funds under management.

CIMIC Group (ASX:CIM) has responded to an ASX enquiry, after its stock price dropped 15%.

CIMIC released a statement to the ASX, explaining that an article published today by the AFR about its exit from the Middle East region might have contributed to the stock price move.