After posting a small gain to start the week, the ASX Small Ords was trading flat at 2,731.20 at 12pm AEST.

Brent oil is holding near a three-month high above $US66 a barrel while gold is still well supported at $US1,325 an ounce. Iron ore prices were little-changed at $US88 a barrel.

Here are the key ASX small cap winners at lunch Tuesday February 18:

GOING UP

Gas play Leigh Creek Energy (LCK) is leading the pack today, after a positive update regarding its gasification project at the Leigh Creek Coalfield.

Shares in LCK were up more than 42 per cent at 12.7 cents in midday trade.

The company said its Pre-Commercial Demonstration (PCD) confirmed the existence of significant syngas reserves with a commercial application.

And listed e-sports company Emerge Gaming (ASX:EM1)  was up more than 16%, after announcing the March 2019 launch of its new ArcadeX gaming platform for the Australian market.

Other winners at midday included New World Cobalt (ASX: NWC), up 40 per cent, and Red Sky Energy (ASX: ROG), up 25 per cent.

Here are the best performing ASX small cap stocks at 12pm Monday February 18: 

ASX code Company Price 12:15pm EST Percentage change Market cap Volume
LCK Leigh Creek Energy 0.13 +43.26% $60,400,000 5.2M
NWC New World Cobalt 0.01 +40.00% $7,700,000 143.1k
ROG Red Sky Energy 0.0025 +25.00% $1,600,000 500.0k
CXZ Connexion Telematics 0.01 +20.00% $10,900,000 1.9M
NAE New Age Exploration 0.01 +20.00% $4,300,000 100.0k
QPR Quattro Plus Real Estate 0.01 +20.00% $69,300,000 1.0M
RFN Reffind 0.01 +20.00% $3,100,000 1.3M
SPQ Superior Resources 0.01 +20.00% $3,400,000 4.1k
ALY Alchemy Resources 0.01 +18.18% $5,700,000 369.7k
CV1 CV Check 0.08 +17.65% $21,800,000 166.9k
KZR Kalamazoo Resources 0.09 +16.88% $8,100,000 47.0k
EM1 Emerge Gaming 0.01 +16.67% $5,900,000 15.8M
SYT Syntonic 0.01 +16.67% $20,900,000 870.7k
AQX Alice Queen 0.01 +15.38% $9,800,000 25.3k
SGC SACGASCO 0.03 +15.38% $7,900,000 846.6k
VRX VRX Silica 0.12 +14.29% $42,400,000 188.6k
RDG Resource Development Group 0.03 +13.64% $15,800,000 122.7k
HCH Hot Chili 0.02 +13.33% $14,500,000 463.8k
PGI PanTerra Gold 0.03 +13.33% $7,200,000 150.0k
FGF First Growth Funds 0.01 +12.50% $14,000,000 1.6M
LCK Leigh Creek Energy 0.13 +43.26% $60,400,000 5.2M

GOING DOWN

Selling activity among small-cap minnows has given rise to some sharp falls in the teeny-tiny end of the market.

Struggling US-based data sharing company Shareroot (ASX: SRO), and tiny cobalt miner Clancy Exploration (ASX: CLY) both saw their stock price halve to 1 cent per share.

The 50% decline for Shareroot took place amid volumes of 3.2 million, while 1.7 million Clancy Exploration shares changed hands.

Among other notable falls, junior gold miner 3D Resources (ASX:DDD) was down 33.33 per cent at 2 cents per share.

Here are the worst performing ASX small cap stocks at 12pm Monday February 18:  

ASX code Company Price 12:15pm EST Percentage change Market cap Volume
SRO Shareroot 0.001 -50.00% $1,600,000 3.2M
CLY Clancy Exploration 0.001 -50.00% $3,500,000 1.7M
DDD 3D Resources 0.001 -33.33% $2,200,000 2.0M
MGL Magontec 0.02 -22.22% $29,600,000 133.2k
ABV Advanced Braking Technology 0.01 -22.22% $5,300,000 148.0k
SGO Stream Group 0.01 -20.00% $2,600,000 176.0k
WBE Whitebark Energy 0.004 -20.00% $6,300,000 400.0k
QGL Quantum Graphite 0.002 -20.00% $15,000,000 430.3k
LSR Lodestar Minerals 0.01 -20.00% $7,500,000 270.0k
ZNO Zoono Group 0.1 -19.17% $15,800,000 284.0k
KKT Konekt 0.2 -18.00% $21,600,000 43.2k
ABT Abundant Produce 0.14 -17.65% $10,300,000 7.5k
SMD Syndicated Metals 0.005 -16.67% $3,200,000 13.6M
PSZ PS&C 0.1 -16.67% $25,000,000 6.2k
TTL Transcendence Technologies 0.02 -15.79% $2,800,000 1.9M
ELK Elk Petroleum 0.02 -15.79% $27,700,000 6.6M
IMS Impelus 0.01 -15.38% $7,400,000 1.8M
TNT Tesserent 0.05 -14.55% $7,900,000 25.0k
SBB Sunbridge Group 0.01 -14.29% $5,700,000 100.0k
DDT DataDot Technology 0.01 -14.29% $4,900,000 611.1k
SM8 Smart Marine Systems 0.02 -13.04% $2,600,000 176.7k
TOM Tomizone 0.01 -12.50% $3,000,000 55.0k
BNL Big Star Energy 0.01 -12.50% $2,300,000 71.7k